Drainfast Brochure Issue 36 - Flipbook - Page 211
Extension
For use with large sump roof drains to raise the height
of 320mm sq gratings
Part Number
Min
Max
Suitability
(sq.m)
Assemblies
20
40
Variable
33.036 x
range
33.6010
£64.09
182
Ø214
Extension collars
For use with threaded gratings and rodding eyes.
Extensions can be stacked for further adjustability
Part Number
Min (mm)
Max (mm)
20
40
40
95
95
140
31.6000
£25.02
31.6001
£32.67
31.6002
£38.79
action@drainfast.co.uk
211
www.drainfast.co.uk
7 FROST ROOF DRAINS
Roof Drain Accessories